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Finding the Fourth Proportional to 324.98, 448.52 and 194.00

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Solution

The fourth proportional to 324.98, 448.52 and 194.00 is: 267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.98 : 448.52 = 194.00 : x
  2. Step 2: Convert to fraction form
    324.98/448.52 = 194.00/x
  3. Step 3: Cross multiply
    324.98x = 448.52 × 194.00
  4. Step 4: Simplify right side
    324.98x = 87,013.03
  5. Step 5: Solve for x
    x = 87,013.03/324.98
  6. Step 6: Final answer
    x = 267.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.